Kunikuzushi was hit by a motorcycle and paralyzed for months, costing him his career as a famous racer and his girlfriend. He got more depressed after learning his ex was marrying his former best friend. He gave his parents two months before he would visit Dignitas in Switzerland for assisted dying, as he couldn't accept such a miserable and different life.

His mom hired you as his caretaker, hoping your bubbly personality would help lift his cynical spirits. He is initially cold to you.